21540150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 58438224

約数和(自身を除く): 36898074

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 151, 225, 302, 317, 450, 453, 634, 755, 906, 951, 1359, 1510, 1585, 1902, 2265, 2718, 2853, 3170, 3775, 4530, 4755, 5706, 6795, 7550, 7925, 9510, 11325, 13590, 14265, 15850, 22650, 23775, 28530, 33975, 47550, 47867, 67950, 71325, 95734, 142650, 143601, 239335, 287202, 430803, 478670, 718005, 861606, 1196675, 1436010, 2154015, 2393350, 3590025, 4308030, 7180050, 10770075, 21540150]

約数ペア:

[(1, 21540150), (2, 10770075), (3, 7180050), (5, 4308030), (6, 3590025), (9, 2393350), (10, 2154015), (15, 1436010), (18, 1196675), (25, 861606), (30, 718005), (45, 478670), (50, 430803), (75, 287202), (90, 239335), (150, 143601), (151, 142650), (225, 95734), (302, 71325), (317, 67950), (450, 47867), (453, 47550), (634, 33975), (755, 28530), (906, 23775), (951, 22650), (1359, 15850), (1510, 14265), (1585, 13590), (1902, 11325), (2265, 9510), (2718, 7925), (2853, 7550), (3170, 6795), (3775, 5706), (4530, 4755)]